Hey Anjali,

The minimum educational qualification to pursue Air Hostess course is 10+2. Normally academies prefer candidates within age group of 17 years and 26 years.Minimum Height required must be 5.2” or 157 cm. Weight of the candidate must be in proportion to her Height. Skin complexion does matter and it must fair to clear complexion. Physical fit and attractive physique. Behavior makes everything. Pleasing personality, Good communicational skills, Presence of mind, Positive attitude and ready to work long hours are the points your you should keep in your mind. 

Each Airline company conducts examination for recruiting Air Hostesses. Usually an entire selection process can be divided into 3 stages. Written Examination, Group discussion and interview. 

you must join for a course depending upon your educational qualification. For you these are the courses 

• Aviation Management and Hospitality
• Air Hostess Management
• Aviation Customer Service
• Air Hostess Training
• Cabin Crew/Flight Attendant
• Airlines Hospitality etc

Hope this helped you 

Thank you and keep asking:)